godot/platform/javascript/detect.py

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import os
import sys
import string
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def is_active():
return True
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def get_name():
return "JavaScript"
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def can_build():
return os.environ.has_key("EMSCRIPTEN_ROOT")
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def get_opts():
return [
['wasm', 'Compile to WebAssembly', 'no'],
['javascript_eval', 'Enable JavaScript eval interface', 'yes'],
]
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def get_flags():
return [
('tools', 'no'),
('module_etc1_enabled', 'no'),
('module_theora_enabled', 'no'),
]
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def create(env):
# remove Windows' .exe suffix
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return env.Clone(tools=['textfile', 'zip'], PROGSUFFIX='')
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def escape_sources_backslashes(target, source, env, for_signature):
return [path.replace('\\','\\\\') for path in env.GetBuildPath(source)]
def escape_target_backslashes(target, source, env, for_signature):
return env.GetBuildPath(target[0]).replace('\\','\\\\')
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def configure(env):
env['ENV'] = os.environ
env.Append(CPPPATH=['#platform/javascript'])
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env.PrependENVPath('PATH', os.environ['EMSCRIPTEN_ROOT'])
env['CC'] = 'emcc'
env['CXX'] = 'em++'
env['LINK'] = 'emcc'
env['RANLIB'] = 'emranlib'
# Emscripten's ar has issues with duplicate file names, so use cc
env['AR'] = 'emcc'
env['ARFLAGS'] = '-o'
if (os.name == 'nt'):
# use TempFileMunge on Windows since some commands get too long for
# cmd.exe even with spawn_fix
# need to escape backslashes for this
env['ESCAPED_SOURCES'] = escape_sources_backslashes
env['ESCAPED_TARGET'] = escape_target_backslashes
env['ARCOM'] = '${TEMPFILE("%s")}' % env['ARCOM'].replace('$SOURCES', '$ESCAPED_SOURCES').replace('$TARGET', '$ESCAPED_TARGET')
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env['OBJSUFFIX'] = '.bc'
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env['LIBSUFFIX'] = '.bc'
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if (env["target"] == "release"):
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env.Append(CCFLAGS=['-O3'])
env.Append(LINKFLAGS=['-O3'])
elif (env["target"] == "release_debug"):
env.Append(CCFLAGS=['-O2', '-DDEBUG_ENABLED'])
env.Append(LINKFLAGS=['-O2', '-s', 'ASSERTIONS=1'])
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# retain function names at the cost of file size, for backtraces and profiling
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env.Append(LINKFLAGS=['--profiling-funcs'])
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elif (env["target"] == "debug"):
env.Append(CCFLAGS=['-O1', '-D_DEBUG', '-g', '-DDEBUG_ENABLED'])
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env.Append(LINKFLAGS=['-O1', '-g'])
# TODO: Move that to opus module's config
if("module_opus_enabled" in env and env["module_opus_enabled"] != "no"):
env.opus_fixed_point = "yes"
# These flags help keep the file size down
env.Append(CPPFLAGS=["-fno-exceptions", '-DNO_SAFE_CAST', '-fno-rtti'])
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env.Append(CPPFLAGS=['-DJAVASCRIPT_ENABLED', '-DUNIX_ENABLED', '-DPTHREAD_NO_RENAME', '-DTYPED_METHOD_BIND', '-DNO_THREADS'])
env.Append(CPPFLAGS=['-DGLES3_ENABLED'])
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env.Append(LINKFLAGS=['-s', 'USE_WEBGL2=1'])
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if (env['wasm'] == 'yes'):
env.Append(LINKFLAGS=['-s', 'BINARYEN=1'])
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# In contrast to asm.js, enabling memory growth on WebAssembly has no
# major performance impact, and causes only a negligible increase in
# memory size.
env.Append(LINKFLAGS=['-s', 'ALLOW_MEMORY_GROWTH=1'])
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env.extra_suffix = '.webassembly' + env.extra_suffix
else:
env.Append(LINKFLAGS=['-s', 'ASM_JS=1'])
env.Append(LINKFLAGS=['--separate-asm'])
if env['javascript_eval'] == 'yes':
env.Append(CPPFLAGS=['-DJAVASCRIPT_EVAL_ENABLED'])
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import methods